Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 64, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Jun 27, 1993, 8:32 PM EDT for Mercer County, Pennsylvania. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jun 27, 1993, 8:32 PM EDT (00:32 UTC)
- Expired
- Jun 27, 1993, 9:15 PM EDT
- In force
- 43 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Mercer County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 0.5 hours before the alert went out and 100 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 352 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1529 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KYNG 280033 SVRYNG PAC085-280115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 832 PM EDT SUN JUN 27 1993 THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST PENNSYLVANIA ...MERCER COUNTY AT 830 PM EDT SPOTTERS JUST WEST OF SHARON REPORTED 3/4 INCH HAIL. THE CELL PRODUCING THIS HAIL IS MOVING EAST AT 35 MPH. TOWNS IN THE PATH OF THIS CELL ARE SHARON AND MERCER. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 27, 7:38 PM EDT, 54 minutes before
OHZ006-011-280130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 738 PM EDT SUN JUN 27 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PORTION OF CENTRAL OHIO UNTIL 10 PM. AT 735 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM 15 MILES NORTHWEST OF MANSFIELD TO MARYSVILLE IN SOUTHERN UNION COUNTY...CONTINUING SOUTHWEST TO DAYTON. THE STRONGEST STORMS WERE LOCATED JUST NORTH OF MARION IN MARION COUNTY WITH ANOTHER STRONG STORM 5 MILES WEST OF MARYSVILLE IN UNION COUNTY. HEAVY RAIN AND PEA SIZE HAIL HAVE BEEN REPORTED WITH THESE STORMS. BY 745 PM THIS LINE OF SHOWERS AND THUNDERSTORMS WILL EXTEND SOUTHWEST FROM MANSFIELD...TO MT. GILEAD...TO SOUTH OF DAYTON. IF THREATENING WEATHER APPROACHES BE PREPARED TO MOVE TO A PLACE OF SAFETY. DOXEY
Special weather statement, Jun 27, 7:38 PM EDT, 54 minutes before
OHZ006-011-280130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 738 PM EDT SUN JUN 27 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PORTION OF CENTRAL OHIO UNTIL 10 PM. AT 735 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS FROM 15 MILES NORTHWEST OF MANSFIELD TO MARYSVILLE IN SOUTHERN UNION COUNTY...CONTINUING SOUTHWEST TO DAYTON. THE STRONGEST STORMS WERE LOCATED JUST NORTH OF MARION IN MARION COUNTY WITH ANOTHER STRONG STORM 5 MILES WEST OF MARYSVILLE IN UNION COUNTY. HEAVY RAIN AND PEA SIZE HAIL HAVE BEEN REPORTED WITH THESE STORMS. BY 745 PM THIS LINE OF SHOWERS AND THUNDERSTORMS WILL EXTEND SOUTHWEST FROM MANSFIELD...TO MT. GILEAD...TO SOUTH OF DAYTON. IF THREATENING WEATHER APPROACHES BE PREPARED TO MOVE TO A PLACE OF SAFETY. DOXEY
Special weather statement, Jun 27, 8:07 PM EDT, 25 minutes before
OHZ004-PAZ003-280045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 807 PM EDT SUN JUN 27 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE YOUNGSTOWN... WARREN AND VICINITY AREA UNTIL 1000 PM EDT. AT 800 PM WEATHER SERVICE RADAR INDICATED A BAND OF THUNDERSTORMS IN NORTHERN AND CENTRAL TRUMBULL COUNTY. THESE STORMS WERE MOVING EAST AT 30 MPH...AND SHOULD MOVE INTO MERCER COUNTY IN WESTERN PENNSYLVANIA BY 830 PM. SOME TOWNS IN THE PATH OF THESE STORMS ARE MERCER...GREENVILLE AND SHARON. THESE STORMS HAVE A HISTORY OF PRODUCING FREQUENT LIGHTNING...GUSTY WINDS OF AROUND 40 MPH...AND SMALL HAIL. PEOPLE IN THE PATH OF THESE STORMS SHOULD STAY TUNED TO NOAA WExATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. VEENEMAN
Special weather statement, Jun 27, 8:07 PM EDT, 25 minutes before
OHZ004-PAZ003-280045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 807 PM EDT SUN JUN 27 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE YOUNGSTOWN... WARREN AND VICINITY AREA UNTIL 1000 PM EDT. AT 800 PM WEATHER SERVICE RADAR INDICATED A BAND OF THUNDERSTORMS IN NORTHERN AND CENTRAL TRUMBULL COUNTY. THESE STORMS WERE MOVING EAST AT 30 MPH...AND SHOULD MOVE INTO MERCER COUNTY IN WESTERN PENNSYLVANIA BY 830 PM. SOME TOWNS IN THE PATH OF THESE STORMS ARE MERCER...GREENVILLE AND SHARON. THESE STORMS HAVE A HISTORY OF PRODUCING FREQUENT LIGHTNING...GUSTY WINDS OF AROUND 40 MPH...AND SMALL HAIL. PEOPLE IN THE PATH OF THESE STORMS SHOULD STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA FOR FURTHER UPDATES. VEENEMAN
Special weather statement, Jun 27, 8:30 PM EDT, 2 minutes before
OHZALL-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 830 PM EDT SUN JUN 27 1993 A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR MONTGOMERY COUNTY IN SOUTHWEST OHIO. THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE NORTHEAST INLAND AREA...NORTH CENTRAL AND FOR EAST CENTRAL OHIO. THE WATCH REMAINS IN EFFECT FOR PARTS OF THE MIAMI VALLEY AND CENTRAL OHIO UNTIL 10 PM. SOME CITIES IN THE WATCH AREA ARE COLUMBUS AND DAYTON. AT 830 PM...RADAR SHOWED A LARGE AREA OF THUNDERSTORMS FROM JUST SOUTHEAST OF MANSFIELD...SOUTHWEST THROUGH COLUMBUS INTO GREENE COUNTY TO THE SOUTHEAST OF DAYTON. THE STORMS WERE MOVING SOUTHEAST AROUND 40 MPH. THE STORMS HAVE WEAKENED SINCE 730 PM...BUT WILL CONTINUE TO PRODUCE HEAVY RAIN AND GUSTY WINDS OVER CENTRAL AND SOUTH CENTRAL OHIO THROUGH 10 PM. IF THREATENING WEATHER APPROACHES...YOU SHOULD SEEK SHELTER IN A SUBSTANTIAL BUILDING. LISTEN TO NOAA WEATHER RADAR FOR UPDATES AND POSSIBLE WARNINGS. GABRIC
Special weather statement, Jun 27, 8:31 PM EDT, 1 minute before
OHZALL-280100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 830 PM EDT SUN JUN 27 1993 A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR MONTGOMERY COUNTY IN SOUTHWEST OHIO. THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED FOR THE NORTHEAST INLAND AREA...NORTH CENTRAL AND FOR EAST CENTRAL OHIO. THE WATCH REMAINS IN EFFECT FOR PARTS OF THE MIAMI VALLEY AND CENTRAL OHIO UNTIL 10 PM. SOME CITIES IN THE WATCH AREA ARE COLUMBUS AND DAYTON. AT 830 PM...RADAR SHOWED A LARGE AREA OF THUNDERSTORMS FROM JUST SOUTHEAST OF MANSFIELD...SOUTHWEST THROUGH COLUMBUS INTO GREENE COUNTY TO THE SOUTHEAST OF DAYTON. THE STORMS WERE MOVING SOUTHEAST AROUND 40 MPH. THE STORMS HAVE WEAKENED SINCE 730 PM...BUT WILL CONTINUE TO PRODUCE HEAVY RAIN AND GUSTY WINDS OVER CENTRAL AND SOUTH CENTRAL OHIO THROUGH 10 PM. IF THREATENING WEATHER APPROACHES...YOU SHOULD SEEK SHELTER IN A SUBSTANTIAL BUILDING. LISTEN TO NOAA WEATHER RADAR FOR UPDATES AND POSSIBLE WARNINGS. GABRIC
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 8:12 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 48 min |
| Jun 27, 8:28 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Venango | 62 min |
| Jun 27, 8:48 PM EDT | Tornado Warning | CLE | Mercer | 42 min |
| Jun 27, 9:17 PM EDT | Severe Thunderstorm Warning | CLE | McKean, Warren | 58 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 1993Every severe thunderstorm warning in 1993
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.